Re: [boost] [rfc] loop utility

Subject: Re: [boost] [rfc] loop utility
From: TONGARI (tongari95_at_[hidden])
Date: 2013-01-31 08:00:43

2013/1/31 Tim Blechmann <tim_at_[hidden]>

> hi all,
>
> since c++11 has lambda functions, writing functors is easier than never
> before ... so, i wonder, what do people think about a small utility
> function, that calls a functor N times?
>
> ruby:
> 10.times { puts 'hello world' }
>
> supercollider:
> 10.do { "hello world".postln }
>
> c++11/boost proposal:
> boost::loop(10, [] { printf("hello world\n"); });
> boost::loop(10, [](int index) { printf("hello %d\n, index); });
>
>
> personally, i find this coding style more elegant than for loops, as it
> avoids the visual noise of explicitly counting a loop variable ... not
> sure, if it is worth a separate library, maybe it could just be added to
> boost/utility ...
>
> thoughts?
>

Then how about some class like "looper" that takes a function to run.
e.g.

looper x10(10);

x10([] { printf("hello world\n"); });
x10([](int index) { printf("hello %d\n, index); });

Or with user-defined literals:

10_times([] { printf("hello world\n"); });